src/gallium/include/pipe/p_shader_tokens.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2008 VMware, Inc.
   4  * Copyright 2009-2010 VMware, Inc.
   5  * All Rights Reserved.
   6  *
   7  * Permission is hereby granted, free of charge, to any person obtaining a
   8  * copy of this software and associated documentation files (the
   9  * "Software"), to deal in the Software without restriction, including
  10  * without limitation the rights to use, copy, modify, merge, publish,
  11  * distribute, sub license, and/or sell copies of the Software, and to
  12  * permit persons to whom the Software is furnished to do so, subject to
  13  * the following conditions:
  14  *
  15  * The above copyright notice and this permission notice (including the
  16  * next paragraph) shall be included in all copies or substantial portions
  17  * of the Software.
  18  *
  19  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  20  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
  22  * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
  23  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
  24  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
  25  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26  *
  27  **************************************************************************/
  28
  29 #ifndef P_SHADER_TOKENS_H
  30 #define P_SHADER_TOKENS_H
  31
  32 #ifdef __cplusplus
  33 extern "C" {
  34 #endif
  35
  36
  37 struct tgsi_header
  38 {
  39    unsigned HeaderSize : 8;
  40    unsigned BodySize   : 24;
  41 };
  42
  43 #define TGSI_PROCESSOR_FRAGMENT  0
  44 #define TGSI_PROCESSOR_VERTEX    1
  45 #define TGSI_PROCESSOR_GEOMETRY  2
  46 #define TGSI_PROCESSOR_TESSCTRL  3
  47 #define TGSI_PROCESSOR_TESSEVAL  4
  48 #define TGSI_PROCESSOR_COMPUTE   5
  49
  50 struct tgsi_processor
  51 {
  52    unsigned Processor  : 4;  /* TGSI_PROCESSOR_ */
  53    unsigned Padding    : 28;
  54 };
  55
  56 #define TGSI_TOKEN_TYPE_DECLARATION    0
  57 #define TGSI_TOKEN_TYPE_IMMEDIATE      1
  58 #define TGSI_TOKEN_TYPE_INSTRUCTION    2
  59 #define TGSI_TOKEN_TYPE_PROPERTY       3
  60
  61 struct tgsi_token
  62 {
  63    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_x */
  64    unsigned NrTokens   : 8;  /**< UINT */
  65    unsigned Padding    : 20;
  66 };
  67
  68 enum tgsi_file_type {
  69    TGSI_FILE_NULL                =0,
  70    TGSI_FILE_CONSTANT            =1,
  71    TGSI_FILE_INPUT               =2,
  72    TGSI_FILE_OUTPUT              =3,
  73    TGSI_FILE_TEMPORARY           =4,
  74    TGSI_FILE_SAMPLER             =5,
  75    TGSI_FILE_ADDRESS             =6,
  76    TGSI_FILE_IMMEDIATE           =7,
  77    TGSI_FILE_PREDICATE           =8,
  78    TGSI_FILE_SYSTEM_VALUE        =9,
  79    TGSI_FILE_RESOURCE            =10,
  80    TGSI_FILE_SAMPLER_VIEW        =11,
  81    TGSI_FILE_COUNT      /**< how many TGSI_FILE_ types */
  82 };
  83
  84
  85 #define TGSI_WRITEMASK_NONE     0x00
  86 #define TGSI_WRITEMASK_X        0x01
  87 #define TGSI_WRITEMASK_Y        0x02
  88 #define TGSI_WRITEMASK_XY       0x03
  89 #define TGSI_WRITEMASK_Z        0x04
  90 #define TGSI_WRITEMASK_XZ       0x05
  91 #define TGSI_WRITEMASK_YZ       0x06
  92 #define TGSI_WRITEMASK_XYZ      0x07
  93 #define TGSI_WRITEMASK_W        0x08
  94 #define TGSI_WRITEMASK_XW       0x09
  95 #define TGSI_WRITEMASK_YW       0x0A
  96 #define TGSI_WRITEMASK_XYW      0x0B
  97 #define TGSI_WRITEMASK_ZW       0x0C
  98 #define TGSI_WRITEMASK_XZW      0x0D
  99 #define TGSI_WRITEMASK_YZW      0x0E
 100 #define TGSI_WRITEMASK_XYZW     0x0F
 101
 102 #define TGSI_INTERPOLATE_CONSTANT      0
 103 #define TGSI_INTERPOLATE_LINEAR        1
 104 #define TGSI_INTERPOLATE_PERSPECTIVE   2
 105 #define TGSI_INTERPOLATE_COLOR         3 /* special color case for smooth/flat */
 106 #define TGSI_INTERPOLATE_COUNT         4
 107
 108 #define TGSI_INTERPOLATE_LOC_CENTER    0
 109 #define TGSI_INTERPOLATE_LOC_CENTROID  1
 110 #define TGSI_INTERPOLATE_LOC_SAMPLE    2
 111 #define TGSI_INTERPOLATE_LOC_COUNT     3
 112
 113 #define TGSI_CYLINDRICAL_WRAP_X (1 << 0)
 114 #define TGSI_CYLINDRICAL_WRAP_Y (1 << 1)
 115 #define TGSI_CYLINDRICAL_WRAP_Z (1 << 2)
 116 #define TGSI_CYLINDRICAL_WRAP_W (1 << 3)
 117
 118 struct tgsi_declaration
 119 {
 120    unsigned Type        : 4;  /**< TGSI_TOKEN_TYPE_DECLARATION */
 121    unsigned NrTokens    : 8;  /**< UINT */
 122    unsigned File        : 4;  /**< one of TGSI_FILE_x */
 123    unsigned UsageMask   : 4;  /**< bitmask of TGSI_WRITEMASK_x flags */
 124    unsigned Dimension   : 1;  /**< any extra dimension info? */
 125    unsigned Semantic    : 1;  /**< BOOL, any semantic info? */
 126    unsigned Interpolate : 1;  /**< any interpolation info? */
 127    unsigned Invariant   : 1;  /**< invariant optimization? */
 128    unsigned Local       : 1;  /**< optimize as subroutine local variable? */
 129    unsigned Array       : 1;  /**< extra array info? */
 130    unsigned Padding     : 6;
 131 };
 132
 133 struct tgsi_declaration_range
 134 {
 135    unsigned First   : 16; /**< UINT */
 136    unsigned Last    : 16; /**< UINT */
 137 };
 138
 139 struct tgsi_declaration_dimension
 140 {
 141    unsigned Index2D:16; /**< UINT */
 142    unsigned Padding:16;
 143 };
 144
 145 struct tgsi_declaration_interp
 146 {
 147    unsigned Interpolate : 4;   /**< one of TGSI_INTERPOLATE_x */
 148    unsigned Location    : 2;   /**< one of TGSI_INTERPOLATE_LOC_x */
 149    unsigned CylindricalWrap:4; /**< TGSI_CYLINDRICAL_WRAP_x flags */
 150    unsigned Padding     : 22;
 151 };
 152
 153 #define TGSI_SEMANTIC_POSITION   0
 154 #define TGSI_SEMANTIC_COLOR      1
 155 #define TGSI_SEMANTIC_BCOLOR     2  /**< back-face color */
 156 #define TGSI_SEMANTIC_FOG        3
 157 #define TGSI_SEMANTIC_PSIZE      4
 158 #define TGSI_SEMANTIC_GENERIC    5
 159 #define TGSI_SEMANTIC_NORMAL     6
 160 #define TGSI_SEMANTIC_FACE       7
 161 #define TGSI_SEMANTIC_EDGEFLAG   8
 162 #define TGSI_SEMANTIC_PRIMID     9
 163 #define TGSI_SEMANTIC_INSTANCEID 10 /**< doesn't include start_instance */
 164 #define TGSI_SEMANTIC_VERTEXID   11
 165 #define TGSI_SEMANTIC_STENCIL    12
 166 #define TGSI_SEMANTIC_CLIPDIST   13
 167 #define TGSI_SEMANTIC_CLIPVERTEX 14
 168 #define TGSI_SEMANTIC_GRID_SIZE  15 /**< grid size in blocks */
 169 #define TGSI_SEMANTIC_BLOCK_ID   16 /**< id of the current block */
 170 #define TGSI_SEMANTIC_BLOCK_SIZE 17 /**< block size in threads */
 171 #define TGSI_SEMANTIC_THREAD_ID  18 /**< block-relative id of the current thread */
 172 #define TGSI_SEMANTIC_TEXCOORD   19 /**< texture or sprite coordinates */
 173 #define TGSI_SEMANTIC_PCOORD     20 /**< point sprite coordinate */
 174 #define TGSI_SEMANTIC_VIEWPORT_INDEX 21 /**< viewport index */
 175 #define TGSI_SEMANTIC_LAYER      22 /**< layer (rendertarget index) */
 176 #define TGSI_SEMANTIC_CULLDIST   23
 177 #define TGSI_SEMANTIC_SAMPLEID   24
 178 #define TGSI_SEMANTIC_SAMPLEPOS  25
 179 #define TGSI_SEMANTIC_SAMPLEMASK 26
 180 #define TGSI_SEMANTIC_INVOCATIONID 27
 181 #define TGSI_SEMANTIC_VERTEXID_NOBASE 28
 182 #define TGSI_SEMANTIC_BASEVERTEX 29
 183 #define TGSI_SEMANTIC_COUNT      30 /**< number of semantic values */
 184
 185 struct tgsi_declaration_semantic
 186 {
 187    unsigned Name           : 8;  /**< one of TGSI_SEMANTIC_x */
 188    unsigned Index          : 16; /**< UINT */
 189    unsigned Padding        : 8;
 190 };
 191
 192 struct tgsi_declaration_resource {
 193    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 194    unsigned Raw         : 1;
 195    unsigned Writable    : 1;
 196    unsigned Padding     : 22;
 197 };
 198
 199 enum tgsi_return_type {
 200    TGSI_RETURN_TYPE_UNORM = 0,
 201    TGSI_RETURN_TYPE_SNORM,
 202    TGSI_RETURN_TYPE_SINT,
 203    TGSI_RETURN_TYPE_UINT,
 204    TGSI_RETURN_TYPE_FLOAT,
 205    TGSI_RETURN_TYPE_COUNT
 206 };
 207
 208 struct tgsi_declaration_sampler_view {
 209    unsigned Resource    : 8; /**< one of TGSI_TEXTURE_ */
 210    unsigned ReturnTypeX : 6; /**< one of enum tgsi_return_type */
 211    unsigned ReturnTypeY : 6; /**< one of enum tgsi_return_type */
 212    unsigned ReturnTypeZ : 6; /**< one of enum tgsi_return_type */
 213    unsigned ReturnTypeW : 6; /**< one of enum tgsi_return_type */
 214 };
 215
 216 struct tgsi_declaration_array {
 217    unsigned ArrayID : 10;
 218    unsigned Padding : 22;
 219 };
 220
 221 /*
 222  * Special resources that don't need to be declared.  They map to the
 223  * GLOBAL/LOCAL/PRIVATE/INPUT compute memory spaces.
 224  */
 225 #define TGSI_RESOURCE_GLOBAL    0x7fff
 226 #define TGSI_RESOURCE_LOCAL     0x7ffe
 227 #define TGSI_RESOURCE_PRIVATE   0x7ffd
 228 #define TGSI_RESOURCE_INPUT     0x7ffc
 229
 230 #define TGSI_IMM_FLOAT32   0
 231 #define TGSI_IMM_UINT32    1
 232 #define TGSI_IMM_INT32     2
 233 #define TGSI_IMM_FLOAT64   3
 234
 235 struct tgsi_immediate
 236 {
 237    unsigned Type       : 4;  /**< TGSI_TOKEN_TYPE_IMMEDIATE */
 238    unsigned NrTokens   : 14; /**< UINT */
 239    unsigned DataType   : 4;  /**< one of TGSI_IMM_x */
 240    unsigned Padding    : 10;
 241 };
 242
 243 union tgsi_immediate_data
 244 {
 245    float Float;
 246    unsigned Uint;
 247    int Int;
 248 };
 249
 250 #define TGSI_PROPERTY_GS_INPUT_PRIM          0
 251 #define TGSI_PROPERTY_GS_OUTPUT_PRIM         1
 252 #define TGSI_PROPERTY_GS_MAX_OUTPUT_VERTICES 2
 253 #define TGSI_PROPERTY_FS_COORD_ORIGIN        3
 254 #define TGSI_PROPERTY_FS_COORD_PIXEL_CENTER  4
 255 #define TGSI_PROPERTY_FS_COLOR0_WRITES_ALL_CBUFS 5
 256 #define TGSI_PROPERTY_FS_DEPTH_LAYOUT        6
 257 #define TGSI_PROPERTY_VS_PROHIBIT_UCPS       7
 258 #define TGSI_PROPERTY_GS_INVOCATIONS         8
 259 #define TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION 9
 260 #define TGSI_PROPERTY_COUNT                  10
 261
 262 struct tgsi_property {
 263    unsigned Type         : 4;  /**< TGSI_TOKEN_TYPE_PROPERTY */
 264    unsigned NrTokens     : 8;  /**< UINT */
 265    unsigned PropertyName : 8;  /**< one of TGSI_PROPERTY */
 266    unsigned Padding      : 12;
 267 };
 268
 269 #define TGSI_FS_COORD_ORIGIN_UPPER_LEFT 0
 270 #define TGSI_FS_COORD_ORIGIN_LOWER_LEFT 1
 271
 272 #define TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER 0
 273 #define TGSI_FS_COORD_PIXEL_CENTER_INTEGER 1
 274
 275 #define TGSI_FS_DEPTH_LAYOUT_NONE         0
 276 #define TGSI_FS_DEPTH_LAYOUT_ANY          1
 277 #define TGSI_FS_DEPTH_LAYOUT_GREATER      2
 278 #define TGSI_FS_DEPTH_LAYOUT_LESS         3
 279 #define TGSI_FS_DEPTH_LAYOUT_UNCHANGED    4
 280
 281
 282 struct tgsi_property_data {
 283    unsigned Data;
 284 };
 285
 286 /* TGSI opcodes.
 287  *
 288  * For more information on semantics of opcodes and
 289  * which APIs are known to use which opcodes, see
 290  * gallium/docs/source/tgsi.rst
 291  */
 292 #define TGSI_OPCODE_ARL                 0
 293 #define TGSI_OPCODE_MOV                 1
 294 #define TGSI_OPCODE_LIT                 2
 295 #define TGSI_OPCODE_RCP                 3
 296 #define TGSI_OPCODE_RSQ                 4
 297 #define TGSI_OPCODE_EXP                 5
 298 #define TGSI_OPCODE_LOG                 6
 299 #define TGSI_OPCODE_MUL                 7
 300 #define TGSI_OPCODE_ADD                 8
 301 #define TGSI_OPCODE_DP3                 9
 302 #define TGSI_OPCODE_DP4                 10
 303 #define TGSI_OPCODE_DST                 11
 304 #define TGSI_OPCODE_MIN                 12
 305 #define TGSI_OPCODE_MAX                 13
 306 #define TGSI_OPCODE_SLT                 14
 307 #define TGSI_OPCODE_SGE                 15
 308 #define TGSI_OPCODE_MAD                 16
 309 #define TGSI_OPCODE_SUB                 17
 310 #define TGSI_OPCODE_LRP                 18
 311 #define TGSI_OPCODE_FMA                 19
 312 #define TGSI_OPCODE_SQRT                20
 313 #define TGSI_OPCODE_DP2A                21
 314                                 /* gap */
 315 #define TGSI_OPCODE_FRC                 24
 316 #define TGSI_OPCODE_CLAMP               25
 317 #define TGSI_OPCODE_FLR                 26
 318 #define TGSI_OPCODE_ROUND               27
 319 #define TGSI_OPCODE_EX2                 28
 320 #define TGSI_OPCODE_LG2                 29
 321 #define TGSI_OPCODE_POW                 30
 322 #define TGSI_OPCODE_XPD                 31
 323                                 /* gap */
 324 #define TGSI_OPCODE_ABS                 33
 325                                 /* gap */
 326 #define TGSI_OPCODE_DPH                 35
 327 #define TGSI_OPCODE_COS                 36
 328 #define TGSI_OPCODE_DDX                 37
 329 #define TGSI_OPCODE_DDY                 38
 330 #define TGSI_OPCODE_KILL                39 /* unconditional */
 331 #define TGSI_OPCODE_PK2H                40
 332 #define TGSI_OPCODE_PK2US               41
 333 #define TGSI_OPCODE_PK4B                42
 334 #define TGSI_OPCODE_PK4UB               43
 335                                 /* gap */
 336 #define TGSI_OPCODE_SEQ                 45
 337                                 /* gap */
 338 #define TGSI_OPCODE_SGT                 47
 339 #define TGSI_OPCODE_SIN                 48
 340 #define TGSI_OPCODE_SLE                 49
 341 #define TGSI_OPCODE_SNE                 50
 342                                 /* gap */
 343 #define TGSI_OPCODE_TEX                 52
 344 #define TGSI_OPCODE_TXD                 53
 345 #define TGSI_OPCODE_TXP                 54
 346 #define TGSI_OPCODE_UP2H                55
 347 #define TGSI_OPCODE_UP2US               56
 348 #define TGSI_OPCODE_UP4B                57
 349 #define TGSI_OPCODE_UP4UB               58
 350                                 /* gap */
 351 #define TGSI_OPCODE_ARR                 61
 352                                 /* gap */
 353 #define TGSI_OPCODE_CAL                 63
 354 #define TGSI_OPCODE_RET                 64
 355 #define TGSI_OPCODE_SSG                 65 /* SGN */
 356 #define TGSI_OPCODE_CMP                 66
 357 #define TGSI_OPCODE_SCS                 67
 358 #define TGSI_OPCODE_TXB                 68
 359                                 /* gap */
 360 #define TGSI_OPCODE_DIV                 70
 361 #define TGSI_OPCODE_DP2                 71
 362 #define TGSI_OPCODE_TXL                 72
 363 #define TGSI_OPCODE_BRK                 73
 364 #define TGSI_OPCODE_IF                  74
 365 #define TGSI_OPCODE_UIF                 75
 366 #define TGSI_OPCODE_ELSE                77
 367 #define TGSI_OPCODE_ENDIF               78
 368
 369 #define TGSI_OPCODE_DDX_FINE            79
 370 #define TGSI_OPCODE_DDY_FINE            80
 371
 372 #define TGSI_OPCODE_PUSHA               81
 373 #define TGSI_OPCODE_POPA                82
 374 #define TGSI_OPCODE_CEIL                83
 375 #define TGSI_OPCODE_I2F                 84
 376 #define TGSI_OPCODE_NOT                 85
 377 #define TGSI_OPCODE_TRUNC               86
 378 #define TGSI_OPCODE_SHL                 87
 379                                 /* gap */
 380 #define TGSI_OPCODE_AND                 89
 381 #define TGSI_OPCODE_OR                  90
 382 #define TGSI_OPCODE_MOD                 91
 383 #define TGSI_OPCODE_XOR                 92
 384 #define TGSI_OPCODE_SAD                 93
 385 #define TGSI_OPCODE_TXF                 94
 386 #define TGSI_OPCODE_TXQ                 95
 387 #define TGSI_OPCODE_CONT                96
 388 #define TGSI_OPCODE_EMIT                97
 389 #define TGSI_OPCODE_ENDPRIM             98
 390 #define TGSI_OPCODE_BGNLOOP             99
 391 #define TGSI_OPCODE_BGNSUB              100
 392 #define TGSI_OPCODE_ENDLOOP             101
 393 #define TGSI_OPCODE_ENDSUB              102
 394 #define TGSI_OPCODE_TXQ_LZ              103 /* TXQ for mipmap level 0 */
 395                                 /* gap */
 396 #define TGSI_OPCODE_NOP                 107
 397
 398 #define TGSI_OPCODE_FSEQ                108
 399 #define TGSI_OPCODE_FSGE                109
 400 #define TGSI_OPCODE_FSLT                110
 401 #define TGSI_OPCODE_FSNE                111
 402
 403                                 /* gap */
 404 #define TGSI_OPCODE_CALLNZ              113
 405                                 /* gap */
 406 #define TGSI_OPCODE_BREAKC              115
 407 #define TGSI_OPCODE_KILL_IF             116  /* conditional kill */
 408 #define TGSI_OPCODE_END                 117  /* aka HALT */
 409 #define TGSI_OPCODE_DFMA                118
 410 #define TGSI_OPCODE_F2I                 119
 411 #define TGSI_OPCODE_IDIV                120
 412 #define TGSI_OPCODE_IMAX                121
 413 #define TGSI_OPCODE_IMIN                122
 414 #define TGSI_OPCODE_INEG                123
 415 #define TGSI_OPCODE_ISGE                124
 416 #define TGSI_OPCODE_ISHR                125
 417 #define TGSI_OPCODE_ISLT                126
 418 #define TGSI_OPCODE_F2U                 127
 419 #define TGSI_OPCODE_U2F                 128
 420 #define TGSI_OPCODE_UADD                129
 421 #define TGSI_OPCODE_UDIV                130
 422 #define TGSI_OPCODE_UMAD                131
 423 #define TGSI_OPCODE_UMAX                132
 424 #define TGSI_OPCODE_UMIN                133
 425 #define TGSI_OPCODE_UMOD                134
 426 #define TGSI_OPCODE_UMUL                135
 427 #define TGSI_OPCODE_USEQ                136
 428 #define TGSI_OPCODE_USGE                137
 429 #define TGSI_OPCODE_USHR                138
 430 #define TGSI_OPCODE_USLT                139
 431 #define TGSI_OPCODE_USNE                140
 432 #define TGSI_OPCODE_SWITCH              141
 433 #define TGSI_OPCODE_CASE                142
 434 #define TGSI_OPCODE_DEFAULT             143
 435 #define TGSI_OPCODE_ENDSWITCH           144
 436
 437 /* resource related opcodes */
 438 #define TGSI_OPCODE_SAMPLE              145
 439 #define TGSI_OPCODE_SAMPLE_I            146
 440 #define TGSI_OPCODE_SAMPLE_I_MS         147
 441 #define TGSI_OPCODE_SAMPLE_B            148
 442 #define TGSI_OPCODE_SAMPLE_C            149
 443 #define TGSI_OPCODE_SAMPLE_C_LZ         150
 444 #define TGSI_OPCODE_SAMPLE_D            151
 445 #define TGSI_OPCODE_SAMPLE_L            152
 446 #define TGSI_OPCODE_GATHER4             153
 447 #define TGSI_OPCODE_SVIEWINFO           154
 448 #define TGSI_OPCODE_SAMPLE_POS          155
 449 #define TGSI_OPCODE_SAMPLE_INFO         156
 450
 451 #define TGSI_OPCODE_UARL                157
 452 #define TGSI_OPCODE_UCMP                158
 453 #define TGSI_OPCODE_IABS                159
 454 #define TGSI_OPCODE_ISSG                160
 455
 456 #define TGSI_OPCODE_LOAD                161
 457 #define TGSI_OPCODE_STORE               162
 458
 459 #define TGSI_OPCODE_MFENCE              163
 460 #define TGSI_OPCODE_LFENCE              164
 461 #define TGSI_OPCODE_SFENCE              165
 462 #define TGSI_OPCODE_BARRIER             166
 463
 464 #define TGSI_OPCODE_ATOMUADD            167
 465 #define TGSI_OPCODE_ATOMXCHG            168
 466 #define TGSI_OPCODE_ATOMCAS             169
 467 #define TGSI_OPCODE_ATOMAND             170
 468 #define TGSI_OPCODE_ATOMOR              171
 469 #define TGSI_OPCODE_ATOMXOR             172
 470 #define TGSI_OPCODE_ATOMUMIN            173
 471 #define TGSI_OPCODE_ATOMUMAX            174
 472 #define TGSI_OPCODE_ATOMIMIN            175
 473 #define TGSI_OPCODE_ATOMIMAX            176
 474
 475 /* to be used for shadow cube map compares */
 476 #define TGSI_OPCODE_TEX2                177
 477 #define TGSI_OPCODE_TXB2                178
 478 #define TGSI_OPCODE_TXL2                179
 479
 480 #define TGSI_OPCODE_IMUL_HI             180
 481 #define TGSI_OPCODE_UMUL_HI             181
 482
 483 #define TGSI_OPCODE_TG4                 182
 484
 485 #define TGSI_OPCODE_LODQ                183
 486
 487 #define TGSI_OPCODE_IBFE                184
 488 #define TGSI_OPCODE_UBFE                185
 489 #define TGSI_OPCODE_BFI                 186
 490 #define TGSI_OPCODE_BREV                187
 491 #define TGSI_OPCODE_POPC                188
 492 #define TGSI_OPCODE_LSB                 189
 493 #define TGSI_OPCODE_IMSB                190
 494 #define TGSI_OPCODE_UMSB                191
 495
 496 #define TGSI_OPCODE_INTERP_CENTROID     192
 497 #define TGSI_OPCODE_INTERP_SAMPLE       193
 498 #define TGSI_OPCODE_INTERP_OFFSET       194
 499
 500 /* sm5 marked opcodes are supported in D3D11 optionally - also DMOV, DMOVC */
 501 #define TGSI_OPCODE_F2D                 195 /* SM5 */
 502 #define TGSI_OPCODE_D2F                 196
 503 #define TGSI_OPCODE_DABS                197
 504 #define TGSI_OPCODE_DNEG                198 /* SM5 */
 505 #define TGSI_OPCODE_DADD                199 /* SM5 */
 506 #define TGSI_OPCODE_DMUL                200 /* SM5 */
 507 #define TGSI_OPCODE_DMAX                201 /* SM5 */
 508 #define TGSI_OPCODE_DMIN                202 /* SM5 */
 509 #define TGSI_OPCODE_DSLT                203 /* SM5 */
 510 #define TGSI_OPCODE_DSGE                204 /* SM5 */
 511 #define TGSI_OPCODE_DSEQ                205 /* SM5 */
 512 #define TGSI_OPCODE_DSNE                206 /* SM5 */
 513 #define TGSI_OPCODE_DRCP                207 /* eg, cayman */
 514 #define TGSI_OPCODE_DSQRT               208 /* eg, cayman also has DRSQ */
 515 #define TGSI_OPCODE_DMAD                209
 516 #define TGSI_OPCODE_DFRAC               210 /* eg, cayman */
 517 #define TGSI_OPCODE_DLDEXP              211 /* eg, cayman */
 518 #define TGSI_OPCODE_DFRACEXP            212 /* eg, cayman */
 519 #define TGSI_OPCODE_D2I                 213
 520 #define TGSI_OPCODE_I2D                 214
 521 #define TGSI_OPCODE_D2U                 215
 522 #define TGSI_OPCODE_U2D                 216
 523 #define TGSI_OPCODE_DRSQ                217 /* eg, cayman also has DRSQ */
 524 #define TGSI_OPCODE_DTRUNC              218 /* nvc0 */
 525 #define TGSI_OPCODE_DCEIL               219 /* nvc0 */
 526 #define TGSI_OPCODE_DFLR                220 /* nvc0 */
 527 #define TGSI_OPCODE_DROUND              221 /* nvc0 */
 528 #define TGSI_OPCODE_DSSG                222
 529 #define TGSI_OPCODE_LAST                223
 530
 531 #define TGSI_SAT_NONE            0  /* do not saturate */
 532 #define TGSI_SAT_ZERO_ONE        1  /* clamp to [0,1] */
 533 #define TGSI_SAT_MINUS_PLUS_ONE  2  /* clamp to [-1,1] */
 534
 535 /**
 536  * Opcode is the operation code to execute. A given operation defines the
 537  * semantics how the source registers (if any) are interpreted and what is
 538  * written to the destination registers (if any) as a result of execution.
 539  *
 540  * NumDstRegs and NumSrcRegs is the number of destination and source registers,
 541  * respectively. For a given operation code, those numbers are fixed and are
 542  * present here only for convenience.
 543  *
 544  * If Predicate is TRUE, tgsi_instruction_predicate token immediately follows.
 545  *
 546  * Saturate controls how are final results in destination registers modified.
 547  */
 548
 549 struct tgsi_instruction
 550 {
 551    unsigned Type       : 4;  /* TGSI_TOKEN_TYPE_INSTRUCTION */
 552    unsigned NrTokens   : 8;  /* UINT */
 553    unsigned Opcode     : 8;  /* TGSI_OPCODE_ */
 554    unsigned Saturate   : 2;  /* TGSI_SAT_ */
 555    unsigned NumDstRegs : 2;  /* UINT */
 556    unsigned NumSrcRegs : 4;  /* UINT */
 557    unsigned Predicate  : 1;  /* BOOL */
 558    unsigned Label      : 1;
 559    unsigned Texture    : 1;
 560    unsigned Padding    : 1;
 561 };
 562
 563 /*
 564  * If tgsi_instruction::Label is TRUE, tgsi_instruction_label follows.
 565  *
 566  * If tgsi_instruction::Texture is TRUE, tgsi_instruction_texture follows.
 567  *   if texture instruction has a number of offsets,
 568  *   then tgsi_instruction::Texture::NumOffset of tgsi_texture_offset follow.
 569  *
 570  * Then, tgsi_instruction::NumDstRegs of tgsi_dst_register follow.
 571  *
 572  * Then, tgsi_instruction::NumSrcRegs of tgsi_src_register follow.
 573  *
 574  * tgsi_instruction::NrTokens contains the total number of words that make the
 575  * instruction, including the instruction word.
 576  */
 577
 578 #define TGSI_SWIZZLE_X      0
 579 #define TGSI_SWIZZLE_Y      1
 580 #define TGSI_SWIZZLE_Z      2
 581 #define TGSI_SWIZZLE_W      3
 582
 583 struct tgsi_instruction_label
 584 {
 585    unsigned Label    : 24;   /* UINT */
 586    unsigned Padding  : 8;
 587 };
 588
 589 #define TGSI_TEXTURE_BUFFER         0
 590 #define TGSI_TEXTURE_1D             1
 591 #define TGSI_TEXTURE_2D             2
 592 #define TGSI_TEXTURE_3D             3
 593 #define TGSI_TEXTURE_CUBE           4
 594 #define TGSI_TEXTURE_RECT           5
 595 #define TGSI_TEXTURE_SHADOW1D       6
 596 #define TGSI_TEXTURE_SHADOW2D       7
 597 #define TGSI_TEXTURE_SHADOWRECT     8
 598 #define TGSI_TEXTURE_1D_ARRAY       9
 599 #define TGSI_TEXTURE_2D_ARRAY       10
 600 #define TGSI_TEXTURE_SHADOW1D_ARRAY 11
 601 #define TGSI_TEXTURE_SHADOW2D_ARRAY 12
 602 #define TGSI_TEXTURE_SHADOWCUBE     13
 603 #define TGSI_TEXTURE_2D_MSAA        14
 604 #define TGSI_TEXTURE_2D_ARRAY_MSAA  15
 605 #define TGSI_TEXTURE_CUBE_ARRAY     16
 606 #define TGSI_TEXTURE_SHADOWCUBE_ARRAY 17
 607 #define TGSI_TEXTURE_UNKNOWN        18
 608 #define TGSI_TEXTURE_COUNT          19
 609
 610 struct tgsi_instruction_texture
 611 {
 612    unsigned Texture  : 8;    /* TGSI_TEXTURE_ */
 613    unsigned NumOffsets : 4;
 614    unsigned Padding : 20;
 615 };
 616
 617 /* for texture offsets in GLSL and DirectX.
 618  * Generally these always come from TGSI_FILE_IMMEDIATE,
 619  * however DX11 appears to have the capability to do
 620  * non-constant texture offsets.
 621  */
 622 struct tgsi_texture_offset
 623 {
 624    int      Index    : 16;
 625    unsigned File     : 4;  /**< one of TGSI_FILE_x */
 626    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 627    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 628    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 629    unsigned Padding  : 6;
 630 };
 631
 632 /*
 633  * For SM3, the following constraint applies.
 634  *   - Swizzle is either set to identity or replicate.
 635  */
 636 struct tgsi_instruction_predicate
 637 {
 638    int      Index    : 16; /* SINT */
 639    unsigned SwizzleX : 2;  /* TGSI_SWIZZLE_x */
 640    unsigned SwizzleY : 2;  /* TGSI_SWIZZLE_x */
 641    unsigned SwizzleZ : 2;  /* TGSI_SWIZZLE_x */
 642    unsigned SwizzleW : 2;  /* TGSI_SWIZZLE_x */
 643    unsigned Negate   : 1;  /* BOOL */
 644    unsigned Padding  : 7;
 645 };
 646
 647 /**
 648  * File specifies the register array to access.
 649  *
 650  * Index specifies the element number of a register in the register file.
 651  *
 652  * If Indirect is TRUE, Index should be offset by the X component of the indirect
 653  * register that follows. The register can be now fetched into local storage
 654  * for further processing.
 655  *
 656  * If Negate is TRUE, all components of the fetched register are negated.
 657  *
 658  * The fetched register components are swizzled according to SwizzleX, SwizzleY,
 659  * SwizzleZ and SwizzleW.
 660  *
 661  */
 662
 663 struct tgsi_src_register
 664 {
 665    unsigned File        : 4;  /* TGSI_FILE_ */
 666    unsigned Indirect    : 1;  /* BOOL */
 667    unsigned Dimension   : 1;  /* BOOL */
 668    int      Index       : 16; /* SINT */
 669    unsigned SwizzleX    : 2;  /* TGSI_SWIZZLE_ */
 670    unsigned SwizzleY    : 2;  /* TGSI_SWIZZLE_ */
 671    unsigned SwizzleZ    : 2;  /* TGSI_SWIZZLE_ */
 672    unsigned SwizzleW    : 2;  /* TGSI_SWIZZLE_ */
 673    unsigned Absolute    : 1;    /* BOOL */
 674    unsigned Negate      : 1;    /* BOOL */
 675 };
 676
 677 /**
 678  * If tgsi_src_register::Indirect is TRUE, tgsi_ind_register follows.
 679  *
 680  * File, Index and Swizzle are handled the same as in tgsi_src_register.
 681  *
 682  * If ArrayID is zero the whole register file might be is indirectly addressed,
 683  * if not only the Declaration with this ArrayID is accessed by this operand.
 684  *
 685  */
 686
 687 struct tgsi_ind_register
 688 {
 689    unsigned File    : 4;  /* TGSI_FILE_ */
 690    int      Index   : 16; /* SINT */
 691    unsigned Swizzle : 2;  /* TGSI_SWIZZLE_ */
 692    unsigned ArrayID : 10; /* UINT */
 693 };
 694
 695 /**
 696  * If tgsi_src_register::Dimension is TRUE, tgsi_dimension follows.
 697  */
 698
 699 struct tgsi_dimension
 700 {
 701    unsigned Indirect    : 1;  /* BOOL */
 702    unsigned Dimension   : 1;  /* BOOL */
 703    unsigned Padding     : 14;
 704    int      Index       : 16; /* SINT */
 705 };
 706
 707 struct tgsi_dst_register
 708 {
 709    unsigned File        : 4;  /* TGSI_FILE_ */
 710    unsigned WriteMask   : 4;  /* TGSI_WRITEMASK_ */
 711    unsigned Indirect    : 1;  /* BOOL */
 712    unsigned Dimension   : 1;  /* BOOL */
 713    int      Index       : 16; /* SINT */
 714    unsigned Padding     : 6;
 715 };
 716
 717
 718 #ifdef __cplusplus
 719 }
 720 #endif
 721
 722 #endif /* P_SHADER_TOKENS_H */